Company lists · Data refreshed September 2026

Top 25 Advisory and outsourcing services based in New Zealand

RevenueBase identified 962 company matches for advisory and outsourcing services associated with New Zealand as of September 2026 and tracks 7,476 professional contacts across them, including 3,048 with verified work emails and 173 with mobile numbers. Auckland is the largest hub.

This list covers company matches for advisory and outsourcing services associated with New Zealand, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 23, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 23, 2026 How this list was built
962Companies
7,476Contacts tracked
3,048Verified emails
173Mobile numbers
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest advisory and outsourcing services based in New Zealand

Ranked by team size
Top 25 of 962 company matches for advisory and outsourcing services based in New Zealand, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAuckland, New ZealandHQ recorded Sep 23, 20261,001-5,0001,271 contacts →

Exact match

“KPMG is one of the world's leading professional services organisations.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2Exact matchAuckland, New ZealandHQ recorded Sep 23, 2026201-500348 contacts →

Exact match

“Jarden is a leading independent investment and advisory group.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3Exact matchAuckland, New ZealandHQ recorded Sep 23, 202651-200138 contacts →

Exact match

“At Tenzing, we’ve been guiding our clients to new heights for over twenty years, embodying what we call the Sherpa ethos: partnering closely with clients, supporting them, and…”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4Exact matchAuckland, New ZealandHQ recorded Sep 23, 2026201-500136 contacts →

Exact match

“You can trust Moore Markhams to guide your business to success.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5Exact matchWellington, New ZealandHQ recorded Sep 23, 2026201-50090 contacts →

Exact match

“Optimation and Presto Resourcing are part of the Optimation Group of companies.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6Exact matchAuckland, New ZealandHQ recorded Sep 23, 202651-20068 contacts →

Exact match

“Our friendly team of dedicated and experienced financial advisers are on your side.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7Exact matchPukekohe, New ZealandHQ recorded Sep 23, 202651-20063 contacts →

Exact match

“We are Campbell Tyson Chartered Accountants.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8Exact matchChristchurch, New ZealandHQ recorded Sep 23, 202651-20052 contacts →

Exact match

“We’re business consultants and chartered accountants operating in Christchurch, Rangiora, Greymouth, Oamaru and Wanaka.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9Exact matchDunedin, New ZealandHQ recorded Sep 23, 202651-20052 contacts →

Exact match

“Polson Higgs specialise in business advisory, helping organisations to improve their performance, create value, reduce costs and increase profitability.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10Exact matchWellington, New ZealandHQ recorded Sep 23, 202611-5052 contacts →

Exact match

“H2R Consulting is a New Zealand owned recruitment and consulting firm with a national presence across Auckland and Wellington, supported by a team of 50 staff.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11Exact matchBlenheim, New ZealandHQ recorded Sep 23, 202611-5051 contacts →

Exact match

“It's not about books and accounts, it's about how we can help with your aspirations.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12Exact matchAuckland, New ZealandHQ recorded Sep 23, 202611-5046 contacts →

Exact match

“Our nationwide team of Prime Strategies Advisors specialise in supporting the growth and development of businesses, both in New Zealand and overseas.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13Exact matchWellington, New ZealandHQ recorded Sep 23, 202651-20045 contacts →

Exact match

“Middleware New Zealand’s core-business is to provide advisory and implementation services, for all middleware solutions addressing- Business Architecture and Process Consulting -…”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14Exact matchChristchurch, New ZealandHQ recorded Sep 23, 202611-5045 contacts →

Exact match

“DETA Consulting (DETA) is a young, dynamic and responsive organisation working with some of Australasia’s largest businesses to identify, develop and deliver optimisation services.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15Exact matchAuckland Central, New ZealandHQ recorded Sep 23, 202651-20043 contacts →

Exact match

“Your trusted partner in ERP and business transformation.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16Exact matchAuckland, New ZealandHQ recorded Sep 23, 202651-20041 contacts →

Exact match

“Who we are: We’re the accounting firm that breaks the boring stereotype while delivering the expertise and stability your business depends on.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17Exact matchWellington, New ZealandHQ recorded Sep 23, 202611-5040 contacts →

Exact match

“At 3Plus Consulting our ambition is to approach every engagement with the goal of making sure our clients are further along with their challenges, opportunities and capability…”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18Exact matchWellington, New ZealandHQ recorded Sep 23, 202651-20035 contacts →

Exact match

“At Mercer, we believe in building brighter futures.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19Exact matchTauranga, New ZealandHQ recorded Sep 23, 202651-20034 contacts →

Exact match

“We’re the Bay of Plenty’s leading independent chartered accounting firm, combining big-firm capability with the care and flexibility of a local partner.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20Exact matchAuckland, New ZealandHQ recorded Sep 23, 202611-5032 contacts →

Exact match

“Welcome to Johnston Associates, we're an independent organisation committed to providing you with the best quality professional service to meet all your accounting and business…”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21Exact matchLincoln, New ZealandHQ recorded Sep 23, 202611-5032 contacts →

Exact match

“NZAB works with agri businesses to help them understand and articulate their strategy, financial performance and risk factors to their bank in a way that enhances the outcomes.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22Exact matchAuckland, New ZealandHQ recorded Sep 23, 202611-5031 contacts →

Exact match

“Property, Tax Minimisation, Asset Protection, Trusts, Accounting & Business Advice, Estate Planning Would you agree that there is more to being successful in business and personal…”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
23Exact matchAuckland Cbd, New ZealandHQ recorded Sep 23, 202611-5030 contacts →

Exact match

“For nearly 40 years, our team of experts have offered clients a mix of personal attention and the highest quality advice, compliance and management.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24Exact matchHastings, New ZealandHQ recorded Sep 23, 202611-5030 contacts →

Exact match

“At Admin Army, we don’t do fluff.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25Exact matchParnell, New ZealandHQ recorded Sep 23, 20261-1029 contacts →

Exact match

“An outsourced accounts service, specifically customised for your business.”

Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase

Showing 25 of 962 advisory and outsourcing services based in New Zealand

See the full list, filter by size, metro and specialty, and access 3,048 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Advisory and outsourcing services based in New Zealand at a glance

As of Sep 23, 2026
40.8%Verified-email coverage
2.3%Mobile-number coverage
7.8Average contacts per company
1-10Median size (employees)
40.6%Largest-city concentration · Auckland
Sep 23, 2026Page data refreshed

Companies by employee count

1-10
688
11-50
235
51-200
29
201-500
7
501-1,000
1
1,001-5,000
2

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 25.0d

Company record updated

Median 78.0d

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with New Zealand whose business descriptions match “advisory and outsourcing services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 3,048 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 23, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “advisory and outsourcing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many advisory and outsourcing services are there based in New Zealand?

RevenueBase identified 962 company matches for advisory and outsourcing services associated with New Zealand as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Kpmg NEW Zealand tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most advisory and outsourcing services?

Auckland leads with 391 company records, followed by Wellington (90) and Christchurch (84).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,048 professional contacts with verified work emails tracked across these 962 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 23, 2026.

Ready to reach these companies? Verified emails and direct dials for all 962 advisory and outsourcing services based in New Zealand. Start with a free account, no credit card.

Download this list →

Related lists

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.